Carnosic acid potentiates the antioxidant and prodifferentiation effects of 1alpha,25-dihydroxyvitamin D3 in leukemia cells but does not promote elevation of basal levels of intracellular calcium - Danilenko,M.; Wang,Q.; Wang,X.; Levy,J.; Sharoni,Y.; Studzinski,G.P. (Cancer Res, 2003)